Hf2Ni7

metal
· Hf2Ni7

Hf2Ni7 is an intermetallic compound in the hafnium-nickel system, representing a transition metal binary phase with potential for high-temperature structural applications. This material belongs to the family of refractory intermetallics and is primarily of research interest rather than established industrial production; it combines hafnium's high melting point and corrosion resistance with nickel's ductility-enhancement potential. Engineers investigating this compound would be exploring advanced materials for extreme-temperature environments where conventional superalloys reach their limits, though processing challenges and limited commercial availability currently restrict its adoption to laboratory and developmental programs.

high-temperature structural materialsrefractory intermetallics researchaerospace propulsion componentsextreme environment coatingsmaterials science R&D

Compliance & Regulations

?EAR?Conflict Free?RoHS?REACH?TSCA?Prop 65
Units:
siimperial
PropertyValueUnitConditionsSource
Density(ρ)
0.4053
lb/in³—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Band Gap(Eg)
0.000
eV—
Magnetic Moment(μB)
0.000
µB—
Verified Unverified Low confidence (<80%) Link to source
PropertyValueUnitConditionsSource
Energy Above Hull(ΔEhull)
0.00440
eV/atom—
Formation Energy(ΔHf)2 entries
-0.4571
eV/atom—
↳
-0.5018
eV/atom—
N entriesMultiple entries per property — large groups are collapsed; click a summary row to expand. Use filters above to narrow by form / heat treatment / basis.
Verified Unverified Low confidence (<80%) Link to source

Regulatory Screening

Environmental

Export Control

RoHS, REACH, and Prop 65 statuses are validated against official substance lists (ECHA SVHC Candidate List, OEHHA Prop 65, RoHS Annex II). Other regulations are estimated from composition and material classification. All screening is a starting point for due diligence — always verify with your supplier before making compliance decisions.